Finding the Fourth Proportional to 2,752.38, 4,129.18 and 1,291.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,752.38 : 4,129.18 = 1,291.55 : x
2. Step 2: Convert to fraction form
   2,752.38/4,129.18 = 1,291.55/x
3. Step 3: Cross multiply
   2,752.38x = 4,129.18 × 1,291.55
4. Step 4: Simplify right side
   2,752.38x = 5,333,018.55
5. Step 5: Solve for x
   x = 5,333,018.55/2,752.38
6. Step 6: Final answer
   x = 1,937.60